# Copyright (C) 2007-2015 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3.  If not see
# <http://www.gnu.org/licenses/>.

# GCC testsuite that uses the `dg.exp' driver.

# Exit immediately if this isn't a s390 target.
if ![istarget s390*-*-*] then {
  return
}

# Load support procs.
load_lib gcc-dg.exp

# Return 1 if htm (etnd - extract nesting depth) instructions are
# understood by the assembler and can be executed.
proc check_effective_target_htm { } {
    if { ![check_runtime s390_check_htm [subst {
	int main (void)
	{
	    unsigned int nd;
	    asm ("etnd %0" : "=d" (nd));
	    return nd;
	}
    }] "-march=zEC12 -mzarch" ] } { return 0 } else { return 1 }
}

# Return 1 if vector (va - vector add) instructions are understood by
# the assembler and can be executed.  This also covers checking for
# the VX kernel feature.  A kernel without that feature does not
# enable the vector facility and the following check will die with a
# signal.
proc check_effective_target_vector { } {
    if { ![check_runtime s390_check_vector [subst {
	int main (void)
	{
	    asm ("va %%v24, %%v26, %%v28, 3" : : : "v24", "v26", "v28");
	    return 0;
	}
    }] "-march=z13 -mzarch" ] } { return 0 } else { return 1 }
}

# If a testcase doesn't have special options, use these.
global DEFAULT_CFLAGS
if ![info exists DEFAULT_CFLAGS] then {
    set DEFAULT_CFLAGS " -ansi -pedantic-errors"
}

# Initialize `dg'.
dg-init

set hotpatch_tests $srcdir/$subdir/hotpatch-\[0-9\]*.c

# Main loop.
dg-runtest [lsort [prune [glob -nocomplain $srcdir/$subdir/*.\[cS\]] \
			 $hotpatch_tests]] "" $DEFAULT_CFLAGS

# Additional hotpatch torture tests.
torture-init
set HOTPATCH_TEST_OPTS [list -Os -O0 -O1 -O2 -O3]
set-torture-options $HOTPATCH_TEST_OPTS
gcc-dg-runtest [lsort [glob -nocomplain $hotpatch_tests]] "" $DEFAULT_CFLAGS
torture-finish

dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*vector*/*.\[cS\]]] \
	"" $DEFAULT_CFLAGS

# All done.
dg-finish
